On 8/26/25 07:33, Matthew Wilcox wrote: ...
One memdesc type already assigned is for page tables. Maybe iommu page tables are the same
One bit of context: This is an IOMMU problem but the IOMMU is walking the normal x86 page tables in this case, specifically kernel page tables. There are separate IOMMU page tables, of course, but those aren't at issue here.